Quarterly report pursuant to Section 13 or 15(d)

Earnings/(Loss) Per Share (Details)

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Earnings/(Loss) Per Share (Details) (USD $)
Share data in Thousands, except Per Share data, unless otherwise specified
 3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Basic and Diluted (Loss)/Earnings Per Common Share    
Basic weighted average number of shares outstanding 35,798 32,634
Convertible debt 2,176  
Effect of dilutive securities:    
Stock options and restricted stock 466 0
Diluted weighted average shares outstanding 38,440 32,634
Net income/(loss) $ 12,041,000 $ (4,754,000)
Interest on Convertible Debt, Net of Tax 365,000 0
Net Income (Loss) Available to Common Stockholders, Diluted $ 12,406,000.00 $ (4,754,000.00)
Basic (loss)/income per share $ 0.34 $ (0.15)
Diluted (loss)/income per share $ 0.32 [1],[2] $ (0.15) [1],[2]
Antidilutive stock options not included in the calculation of diluted income per share 271,155 1,610
[1] For periods with a net loss, no options or non-vested shares are included in the dilution calculation as all options and non-vested shares outstanding are considered anti-dilutive.
[2] During 2012, we issued $126.5 million of 1.875% convertible senior notes convertible into shares of our common stock at a rate of 17.1985 shares per $1,000 principle amount. In accordance with ASC Subtopic 260-10, Earnings Per Share, ("ASC 260-10") we calculate the dilutive effect of convertible securities using the "if-converted" method.